The best time to visit Manipur is generally considered to be:

During the dry season (October-May)
The monsoon season (June-September)
Spring (March-April)
Autumn (September-October)

The best time to visit Manipur is during the dry season, which runs from October to May. The weather is pleasant during this time, with average temperatures ranging from 20 to 30 degrees Celsius. The skies are clear and sunny, and there is little rain. This makes it the perfect time to enjoy outdoor activities such as hiking, trekking, and camping.

The monsoon season, which runs from June to September, is characterized by heavy rains and high humidity. The weather can be quite uncomfortable during this time, and many of the roads and trails in Manipur are impassable due to flooding.

Spring (March-April) and autumn (September-October) are also good times to visit Manipur, but the weather is not as pleasant as during the dry season. The temperatures are higher and there is more rain during these months.

Overall, the best time to visit Manipur is during the dry season, which runs from October to May. The weather is pleasant during this time, with average temperatures ranging from 20 to 30 degrees Celsius. The skies are clear and sunny, and there is little rain. This makes it the perfect time to enjoy outdoor activities such as hiking, trekking, and camping.